Scabies

Question 1

Mite is / is not ? host specific

Answer 1

is not host specific

zoonotic!

Question 2

scientific name

Answer 2

sarcoptes scabiei var. canis

Question 3

Male mite lives on

Answer 3

skin surface (don’t need to scrape deep)

Question 4

life cycle

Answer 4

3 weeks

same for fleas, demodex, ear mites

Question 5

lesions

Answer 5

pruritic papules

Question 6

incubation period

Answer 6

typically 21-30 days (could be 1-60)

Question 7

time of onset of scabies reaction?

Answer 7

quicker if previous exposure, bc its a hypersensitivity allergic reaction

Question 8

clinical signs of scabies

Answer 8

intense pruritis
papule from mite burrowing in stratum corneum -> intense itching(excoriations, crusts, alopecia) -> secondary infection areas of low hair density: ventral abdomen, margins of pinna, hocks, elbows

Question 9

chronic signs of scabies

Answer 9

hyperpigmentation
lymphadenopathy
weight loss
hyperglobulinemia

Question 10

Norwegian scabies

Answer 10

rare
thick crusts
numberous mites
***little pruritis! (b/c immunosuppressed, on steroids, or puppies)

Question 11

scabies incognito

Answer 11

well groomed animals
intense prurities
no lesions

Question 12

does a negative skin scrape r/o scabies?

Answer 12

nope

treat and see how it responds

Question 13

scabies therapy

Answer 13

topical
- lime sulfur (also helps with itching)
- selamectin(revolution)
- fipronil (frontline)
systemic
- ivermectin (heartgard)
- milbemycin

Question 14

if an animal has scabies what should you consider

Answer 14

treat all animals its been in contact with.
treat secondary infection
may stay itchy bc of hypersensitivity and need steroids in addition to treatment of mites

Question 15

if you’ve given steroids and the dogs still itchy

Answer 15

think scabies, food or yeast

everything should get better with steroids

Question 16

feline scabies

Answer 16

notoedres

extreme pruritis, erythema, crusting, papules on head and neck, pinna

Question 17

therapy feline scabies

Answer 17

dipping wouldnt be fun

• revolution! or advantage multi
• ivermectin is rough

Question 18

cheyletiella

Answer 18

not in florida, easily killed by flea products
large mite
can be zoonotic!

Question 19

shape of cheyletiella

Answer 19

back legs stick out, more prominent head with big hooks

Question 20

clinical signs of cheyletiella

Answer 20

walking dandruff
often puppies
dorsal distribution!!
in cats may have pruritis

Question 21

diagnosis of cheyletiella

Answer 21

flea comb, skin scrab, tape flakes look under microscope

Question 22

therapy for cheyletiella

Answer 22

pyrethrin
lime sulfur dip
ivermectin
**dont use fipronil on a rabbit

Question 23

pediculosis

Answer 23

lice

Question 24

lice zoonosis?

Answer 24

no! lice are host specific!

Question 25

lice therapy

Answer 25

pyrethrin fipronil lime dip also clip coat (easy way to get rid of eggs)